Commodity antitheft implement

ABSTRACT

A commodity antitheft implement for preventing opening of cases accumulating therein commodities for rent or various commodities for sales for the purpose of theft of the commodities in question, for preventing cases accumulating therein commodities from being taken out of the store without permission, wherein it is possible to eliminate shielding operations by arranging tags preventing cases from being taken out without permission to be left in the store.  
     The case is comprised of a box body including an opening portion for taking a commodity in and out and a cover body provided at the box body through hinges to open and close the opening portion, and opening of the case is made difficult by inserting a key member into through holes provided at overlapping peripheral walls of the case.

BACKGROUND OF THE INVENTION

[0001] 1. Field of the Invention

[0002] The present invention relates to a commodity antitheft implement for preventing pilferage of commodities for rent such as disks, videotapes or game software recorded with music or images of CD cassettes or of various commodities for sales that are accumulated in cases, for preventing these commodities including their cases from being taken outside of the store without permission, and for preventing theft of various commodities for sales accumulated in such cases.

[0003] 2. Description of the Prior Art

[0004] There exists a problem in, for instance, rental stores that pilferage and theft of commodities for rent cannot be prevented when displaying cases in which the commodities for rent are being actually accumulated on shelves of the stores since such conventional cases are not provided with means for preventing opening thereof.

[0005] It is thus being employed a method in which empty cases are arranged and displayed on the shelves of the rental store, and when a customer takes a displayed empty case of a commodity for rent bearing a title of his or her wish out of the shelf and brings it to the counter, a salesperson standing by the counter will take the corresponding commodity for rent as indicated on the empty case out of a storage place, and upon completion of specified lending procedures, the customer may rent the commodity.

[0006] Employing such a method enables it to prevent theft of commodities for rent since the customer will not directly touch the actual commodity for rent until lending procedures are completed.

[0007] However, it being troublesome for the salesperson to select commodities for rent from the storage place or to maintain these commodities in a tidy manner, such a method is disadvantaged in that it is difficult to smoothly perform lending procedures and in that a wide storage place is required.

[0008] On the other hand, it would be possible to solve such a problem by displaying cases accumulating therein commodities for rent on shelves of the rental store, and performing lending procedures when a customer takes a commodity for rent of his or her wish out of the cases and brings it to the counter.

[0009] However, theft cannot be prevented since the customer may directly touch the commodities for rent and take out of the store accordingly without permission.

[0010] Some rental stores are now preventing theft of commodities for rent by attaching antitheft tags with peculiar ID codes to arbitrary positions of the commodities for rent. A predetermined high frequency electromagnetic field is then generated in a gateway of the store, and when one tries to take a commodity for rent out without permission and passes through the gateway, such an unauthorized pass of the commodity for rent may be detected upon resonance of a resonance circuit of the ID code to generate a peculiar ID code and detection thereof upon demodulation through the high frequency electromagnetic field that the salesperson may observe.

[0011] Such a method is, however, disadvantaged in that commodities for rent of which predetermined lending procedures have been completed will be detected similar to those taken out without permission unless such ID codes of the antitheft tags are shielded in some way when performing lending processes at the counter.

[0012] It thus resulted in a drawback of troublesome shielding procedures and remarkable increase in costs owing to equipments accompanying the shielding.

[0013] Such problems are not limited to the above-described case with commodities for rent but will also arise when employing antitheft tags for preventing theft of various commodities for sales such as clothing, accessories or daily necessaries.

[0014] Theft of commodities that are accumulated in cases comprised, for instance, of a box body and a cover body for opening and closing an aperture of the box body frequently occurs since it is easy to conduct pilferage of the commodities due to the openable arrangement.

[0015] Even if cases provided with opening preventing key members or sliders were employed, it was still possible to open the cases since corresponding portions that are in latch with the key members or sliders could be broken or released by applying forcible force in a direction for opening the case.

[0016] It is therefore an object of the present invention to provide a commodity antitheft implement capable of blocking opening of the cases for eliminating pilferage of commodities for rent or of objects of which theft shall be prevented and of eliminating the necessity of providing shields by leaving tags for preventing unauthorized takeout of commodities within the store, wherein cases may not be opened even upon application of forcible force in a direction for opening the cases.

[0017] These and other objects and features of the present invention will be understood in details from the following descriptions with reference to the accompanying drawings illustrating examples thereof.

BRIEF DESCRIPTION OF THE DRAWINGS

[0018]FIG. 1 is a perspective view illustrating first and second embodiments of the present invention;

[0019]FIG. 2 is a partially cut front view of FIG. 1;

[0020]FIG. 3 is a longitudinal sectional side view of FIG. 1;

[0021]FIG. 4 is a plan view illustrating examples of through holes;

[0022]FIG. 5 is a longitudinal sectional side view illustrating an example of a through hole;

[0023]FIG. 6 is a longitudinal sectional side view illustrating other example of a through hole;

[0024]FIG. 7 is a longitudinal sectional side view illustrating a stopper of a key member;

[0025]FIG. 8 is a perspective view illustrating a third embodiment;

[0026]FIG. 9 is a longitudinal sectional side view illustrating an example for using the implement of the above embodiment;

[0027]FIG. 10 is a perspective view illustrating a fourth embodiment;

[0028]FIG. 11 is a longitudinal sectional front view illustrating principal parts of the implement of the above embodiment;

[0029]FIG. 12 is a longitudinal sectional front view illustrating a condition for use of the above implement;

[0030]FIG. 13 is a perspective view of a key member;

[0031]FIG. 14 is a partially cut front view illustrating another example of an engagement means;

[0032]FIG. 15 is a longitudinal sectional side view of FIG. 14;

[0033]FIG. 16 is a partially cut front view illustrating a releasing tool being inserted therein;

[0034]FIG. 17 is a longitudinal sectional side view of FIG. 16;

[0035]FIG. 18 is a partially cut front view illustrating a key member being inserted therein;

[0036]FIG. 19 is a perspective view illustrating a fifth embodiment;

[0037]FIG. 20 is a perspective view illustrating principal parts of the implement of the above embodiment;

[0038]FIG. 21 is a partially cut plan view of FIG. 20;

[0039]FIG. 22 is a perspective view illustrating a sixth embodiment;

[0040]FIG. 23 is a partially cut front view illustrating a key member being inserted therein;

[0041]FIG. 24 is a longitudinal sectional side view of FIG. 23;

[0042]FIG. 25 is a longitudinal sectional side view with a releasing tool being inserted therein;

[0043]FIG. 26 is a perspective view illustrating a seventh embodiment;

[0044]FIG. 27 is a longitudinal sectional front view with a slider being inserted into the case;

[0045]FIG. 28 is a vertically cut bottom view of FIG. 27;

[0046]FIG. 29 is a longitudinal sectional front view with a releasing tool being inserted therein;

[0047]FIG. 30 is a vertically cut bottom view of FIG. 29;

[0048]FIG. 31 is a longitudinal sectional side view of FIG. 29;

[0049]FIG. 32 is a perspective view illustrating an eighth embodiment;

[0050]FIG. 33 is a perspective view of a key member and a case;

[0051]FIG. 34 is a longitudinal sectional side view with the key member being inserted into the case;

[0052]FIG. 35 is a vertically cut plan view of FIG. 34;

[0053]FIG. 36 is a perspective view illustrating principal parts of FIG. 35;

[0054]FIG. 37 is a partially cut front view illustrating a condition for use of a releasing tool;

[0055]FIG. 38 is a longitudinal sectional side view of FIG. 37;

[0056]FIG. 39 is another longitudinal sectional side view of FIG. 37;

[0057]FIG. 40 is a perspective view illustrating a ninth embodiment;

[0058]FIG. 41 is a longitudinal sectional side view of FIG. 40;

[0059]FIG. 42 is an enlarged plan view illustrating principal parts of FIG. 41;

[0060]FIG. 43 is a perspective view illustrating concave and convex portions;

[0061]FIG. 44 is a perspective view illustrating another example of concave and convex portions;

[0062]FIG. 45 is a perspective view illustrating still another example of concave and convex portions; and

[0063]FIG. 46 is a partially cut perspective view illustrating still another example of concave and convex portions.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0064] FIGS. 1 to 3 are for illustrating a first embodiment of the commodity antitheft implement.

[0065] Case A according to the first embodiment is comprised of a shallow rectangular box body 2 accumulating therein a commodity a in the interior thereof and having an opening portion 1 for taking the commodity a in and out, and a cover body 4 provided at the box body 2 through hinges 3 and arranged to open and close the opening portion 1.

[0066] The box body 2 is formed with peripheral walls 6 provided on four peripheral edges of a square main wall 5 while the cover body 4 is formed with peripheral walls 6 provided on three peripheral edges of its square main wall 5. By uniformly forming a lower edge of the main wall 5 to a lower peripheral wall of the box body 2, the box body 2 and the cover body 4 are uniformly molded by using synthetic resin.

[0067] As illustrated in FIG. 3, the hinges 3 are subjected to half-cut finishing at corner portions between a lower edge and the lower peripheral wall of the main wall 5 of the box body 2 as well as at corner portions between the lower edge and a lower peripheral wall of the main wall 5 of the cover body 4, and the cover body 4 is thus made bendable with respect to the box body 2 from a flat, fully opened condition to a condition of closing the opening portion 1.

[0068] When the opening portion 1 of the box body 2 is closed by the cover body 4, the peripheral walls 6 of the cover body 4 will outwardly fit with the peripheral walls 6 of the box body 2.

[0069] The peripheral walls 6, 6 of both, the box body 2 and the cover body 4 are provided with through holes 7, 7 that coincide with key member 8 is inserted into these coincident through holes other when the box body 2 is closed by the cover body 4, and holes 7, 7 from outside such that it may freely be inserted and drawn out.

[0070] By inserting the key member 8 into the through holes 7, 7, the closed condition of the cover body 4 with respect to the box body 2 can be maintained, and by drawing the key member 8 out, the cover body 4 may assume an open position.

[0071] It should be noted that the structure of the above hinges 3 is not limited to the illustrated one, and it is alternatively possible to employ a structure in which opening and closing is affected by, for instance, separately provided hinges or pin hinges of a style in which holes and projecting shafts are fitted with each other.

[0072] The key member 8 is not limited to the illustrated plate-like body but may also comprise a square shaft or cylindrical shaft.

[0073] It will also be understood that while the illustrated through holes 7 are formed as elongated holes that coincide with the peripheral shape of the plate-like body of the plate-like key member 8, these holes may be alternatively formed to meet the peripheral shape of the key member 8.

[0074] The shape of the through holes 7 may also be formed in a manner that it engages with both side edge portions of the key member 8 as illustrated in FIG. 4.

[0075] The crucial point is that opening of the cover body 4 with respect to the box body 2 shall be blocked by inserting the key member 8 into the coincident through holes 7, 7.

[0076] While the positions of the through holes 7, 7 are located at central portions on upper sides of the peripheral walls 6, 6, opposing the illustrated hinges 3, they may also be formed on both end portions on upper sides or on both sides of the peripheral walls 6, 6, depending on sizes or other reasons.

[0077] It is also possible to provide, in addition to the inner and outer overlapping peripheral walls 6, 6, formed with coincident through holes 7, 7, projecting walls 9 to extend from either or both main walls 5 in a parallel manner to oppose the peripheral walls 6 as illustrated in FIG. 5, and by forming through holes 7 on these projecting walls 9 that coincide with the through holes 7 of the peripheral walls 6, 6, the key member 8 may be inserted into through holes 7 of both, the peripheral walls 6 and the projecting walls 9.

[0078] It should be noted that a distal end of the inserted key member may be hidden in case L-shaped bent walls 10, 10 are provided outside of the peripheral walls 6 formed with the through holes 7 to be continuing from side edges of both main walls 5, 5 such that the key member 8 may be inserted into the through holes 7 from between the bent walls 10, 10.

[0079] The provision of a guide means 11 within the case A for the key member 8 to be inserted will enable smooth insertion of the key member 8 that is inserted through the through holes 7.

[0080] While the illustrated guide means 11 is comprised of rail strings 12 for guiding both side edges of the key member 8 formed on an inner surface of the main wall 5 on the box body 2 side and slip-off preventing strings 13 projecting out from the rail strings 12 with respect to the main walls 5 while forming a clearance that is somewhat larger than a thickness of the key member 8 and further facing plate surfaces of side edge portions of the key member 8, it is alternatively possible to provide the guide means 11 on the main wall 5 on the cover body 4 side. The shape of such means is further not limited to the structure comprised of the rail strings 12 and the slip-off preventing strings 13 and may be formed to assume different shapes, e.g. as a cylindrical body.

[0081] In such a case, stoppers 14 are provided at ends of the rail strings 12 which both sides of leading end edges of insertion of the key member 8 abut such that distal end edges of the inserted key member 8 and the surface of the outer peripheral wall 6 are formed within a same plane.

[0082] The stoppers 14 may be formed as an arrangement other than those formed on the rail strings 12, for instance, as protrusions formed on an inner surface of the main wall 5 or to employ an arrangement in which a brim 15 is formed at a distal end of the key member 8 as illustrated in FIG. 7 wherein the brim 15 is fitted into a concave portion 16 formed on the surface of the outer peripheral wall 6 with the surface of the brim 15 being formed on the same plane as the surface of the peripheral wall 6 for the purpose of hiding.

[0083] A route for inserting the key member 8 may be established by the guide means 11 so that the key member 8 will not contact the commodity a accumulated in the case A even though the commodity a shall be unwrapped, and it is consequently possible to eliminate the occurrence of a case in which the commodity a is damaged through contact of the key member 8 with the unwrapped commodity a.

[0084] It is thus possible to eliminate damages of recorded surfaces or printed surfaces though the commodities in question are unwrapped disks, to decrease costs since it is possible to leave commodities unwrapped, and to further to eliminate damages of accessories by the key member 8 in case accessories such as song texts are accumulated within the case A.

[0085] The commodity antitheft implement according to the second embodiment of the present invention as illustrated in FIGS. 8 and 9 is arranged in that a key member 8 that is inserted into case A is drawn out within the store.

[0086] Such a means for drawing out is arranged, as illustrated in FIGS. 8 and 9, in that a notch 20 is formed as an aperture for inserting a drawing tool 19 and in that a pair of latch portions 21 is formed on opposing surfaces or opposing edges of the drawing tool 19 and the inserted key member 8.

[0087] The illustrated fitting member 21 is comprised with a protrusion 22 on one member and of a hole 23 on the other member into which the protrusion 22 is fitted to and latched with.

[0088] Upon coincidence of the hole 23 and the protrusion 22 through the insertion of the drawing tool 19, the protrusion 22 will fit into the hole 23 to assume a latched condition, and by drawing the drawing tool 19 out after establishing the latched condition, the key member 8 will be simultaneously drawn out to thereby enable opening of the case A.

[0089] The drawing tool 19 and the key member 8 that have been drawn out will be left in the store for reuse. Thus, a case A that is not provided with a key member 8 will be a case for sales or rent in case of a rental store.

[0090] It should be noted that while the hole 23 is formed at the drawing tool 19 and the protrusion 22 at the key member 8 in the illustrated example, it is possible to employ an arrangement in reverse.

[0091] Smooth insertion of the drawing tool 19 is enabled in case a tapered surface portion with its degree of projection increasing in approaching a leading direction of insertion is formed on an end surface in a projecting direction of the protrusion 22 as illustrated.

[0092] The commodity antitheft implement according to the third embodiment is arranged in that an antitheft tag 24 is provided at the key members 8 of the above-described first and second embodiments through adhesion or embedding.

[0093] As exemplarily illustrated in FIGS. 8 and 9, the tag 24 is comprised with a known peculiar ID code, and when one tries to make a case A with the key member 8 being inserted therein that is attached with the tag 24 pass through a gateway of a store, such an unauthorized pass of the case A may be detected upon resonance of a resonance circuit of the ID code provided at the gateway of the store to generate a peculiar ID code and detection thereof upon demodulation through the high frequency electromagnetic field that the salesperson may observe to consequently prevent theft.

[0094] The key member 8 with the tag 24 is of course drawn out and left in the store, and the case A accumulating therein an unwrapped commodity a is used as a case for sales or rent.

[0095] Prior to selling or lending, it is possible to block opening of the case A through the key member 8 and to effectively prevent shoplift or theft of an unwrapped commodity a through the tag 24.

[0096] The commodity antitheft implement according to the fourth embodiment of the present invention is comprised, as illustrated in FIGS. 10 to 13, with a key member 8 that is inserted into case A similar to the first embodiment and an engaging means 31 formed on the case A side to assume an engaged relationship upon insertion of the key member 8, and such engaged relationship may be released by inserting a releasing tool 32 that is inserted into the case A.

[0097] The illustrated engaging means 31 includes an engaging claw 33 formed at a side edge of the key member 8 such that its degree of projection becomes gradually larger in approaching a distal end direction of the key member 8, and an engaging hole 34 into which the engaging claw 33 fits and engages at a portion midway of a rail string 12 of the guide means 11 for blocking the key member 8 from being drawn out. When the engaging claw 33 contacts the rail string upon insertion of the key member 8, the engaging claw 33 will be pushed back, and upon completion of insertion of the key member 8, the engaging claw 33 and the engaging hole 34 will coincide such that the rail string 12 and the engaging claw 33 will not contact with each other.

[0098] Consequently, the engaging claw 33 that is released from the force pushing the same back will fit into the engaging hole 34 as illustrated in FIG. 11 to assume an engaged condition for blocking the key member 8 from being drawn out.

[0099] Instead of forming the engaging claw 33 and engaging hole 34 at the key member 8 and the guide means 11, they may alternatively be formed on an inner surface of the main wall 5 of the box body 2 at a surface at which the key member 8 and the case A oppose or also on an inner surface of the main wall 5 of the cover body 4.

[0100] In such a case, the engaging hole 34 from among the engaging claw 33 and the engaging hole 34 comprising the engaging means 31 may be replaced by a projecting portion 51 such as a projecting string or a protrusion projecting out from the inner surface of the main wall 5 of at least either one of the box body 2 or the cover body 4 as illustrated such that the engaging claw 33 contacts the projecting portion 51 halfway of insertion of the key member 8 to push the engaging claw 33 back through this contact, wherein the engaging claw 33 that is released of force pushing the same back will return when the engaging claw 33 has completed passing the projecting portion 51 while a tip of the returned engaging claw 33 will hook at the projecting portion 51 for preventing the key member 8 from being drawn out.

[0101] It should be noted that in case the projecting portion 51 is formed as a projecting string as in the illustrated case, a piercing portion 52 for the key member 8 may be formed as a notched through hole as illustrated in FIG. 14 or FIG. 18.

[0102] While the illustrated engaging claw 33 has been formed by cutting a slit 53 formed to substantially assume the shape of the letter U into the plate surface of the key member 8 and pushing the slit 53 out from inside, it is also possible to fixedly attach a separately arranged engaging claw to the key member or to uniformly form the same with the key member 8 in a form of a molded plate made of synthetic resin.

[0103] The crucial point is that the key member 8 and the case A automatically assume an engaged relationship upon completion of insertion of the key member 8 for blocking the key member 8 from being drawn out.

[0104] In the case as illustrated in FIGS. 11 and 12, when the releasing tool 32 is inserted through the through holes 7 serving as inserting apertures towards the engaging claw 33, a tapered jutting piece 35 projecting from a tip of the plate-like releasing tool 32 will fit between an outer edge of a projecting piece 36, which projects from the engaging claw 33 in a direction directed to the distal end of the key member 8, and the rail string 12, and when fitting is continued, the engaging claw 33 is pushed and released to escape from the engaging hole 34 whereupon the engaged relationship is released.

[0105] Accompanying the drawing out of the releasing tool 32, the key member 8 may be drawn out together with the releasing tool 32 through frictional force caused through press-contact of the projecting piece 36 applied on the jutting piece 35 utilizing resilience of the pushed and released engaging claw 33.

[0106] It should be noted that in case slip is caused at a portion where frictional force is generated, a combined latch portion 21 comprised of protrusion 22 and hole 23 similar to those of the second embodiment shall be formed at the key member 8 and the releasing tool 32.

[0107] In case an engaging means 31 is provided on opposing surfaces as illustrated in FIGS. 14 and 15, a notched portion 54 as illustrated in FIGS. 16 and 17 that is directed inward from a center of the projecting direction of the engaging claw 33 may be provided. The engaged relationship between the engaging claw 33 and the projecting portion 51 may then be released by fitting the jutting piece 35 of the releasing tool 32 that is inserted through the notch 20 for insertion provided at edges of the through holes 7 into this notched portion 54 and pushing the engaging claw 33 back in the course of fitting operations.

[0108] The releasing tool 32 and the key member 8 are simultaneously drawn out through latching affected by the fitting of the protrusion 22 and the hole 23 of the latch portion 21 provided on opposing surfaces of the key member 8 and the releasing tool 32.

[0109] Since the structure and the action of such latch portion 21 is identical to those of the second embodiment, detailed explanations will be omitted.

[0110] As described above, the key member 8 that has been drawn out simultaneously with the releasing tool 32 is left in the store while the case A accumulating therein commodity a may be used as a case for rent or sales, and when being displayed, opening of the case A may be blocked by the key member 8 that is inserted into the case A, and the key member 8 is prevented from being drawn out by means of the engaging means 31.

[0111] It is of course possible to attach an antitheft tag 24 to the key member 8 including the engaging means 31, similar to the third embodiment, as illustrated in FIG. 13.

[0112] In the drawing, 39 denotes a through window for pushing and releasing the protrusion formed at the releasing tool 32.

[0113] In case the unwrapped commodity a accumulated within the case A is a disk, damages of its printed surface or recorded surface may be prevented by arranging the leading end of insertion of the key member 8 that is inserted into the case A to stop at a remote position with respect to a peripheral edge of the disk that is temporally supported by a central supporting member 40 such that the key member 8 and the plate surface of the disk do not contact each other as it is illustrated in FIGS. 1 and 2. Such an arrangement omits the necessity of providing the above-described guide means 11.

[0114] The commodity antitheft implement according to the fifth embodiment of the present invention is arranged in that assembled maintenance and release of the assembled maintenance is enabled through a locking device C as illustrated in FIGS. 19 to 21 wherein an interposing member 42 is interposed into a latch portion 41 such as a hole or interposing portion formed on an object B of which theft shall be prevented, the interposing member 42 being folded into two to assemble both free ends thereof.

[0115] In the illustrated case, the object B of which theft shall be prevented and its latch portion 41 are trousers and a belt-inserting portion, while these may be comprised of button holes or holes formed on, for instance, mounts of blister-pack style of display cases; the crucial point is that the string-like or strap-like interposing member 42 may be interposed through.

[0116] In the illustrated case, the locking device C is arranged in that flat box-shaped bodies 43, 43 for inward and outward fit are provided on both ends of the interposing member 42 that is made of synthetic resin and provided to be foldable, and through holes 7 similar to those of the above-described first and second embodiments are formed on overlapping or opposing peripheral walls of both box-shaped bodies 43, 43 that are fitted together. The key member 8 similar to those of the first, second and fourth embodiments is inserted through these coincident through holes 7 while the key member 8 is prevented from being drawn out through engaging means 31, and releasing tool 32 is used for affecting drawing the same out.

[0117] The interposing member 42 is of course attached with the antitheft tag 24, similar to those the first, second and fourth embodiments, at a portion other than the interior of the box-shaped bodies 43 of the locking device C or the key member 8.

[0118] By attaching the interposing member 42, it is possible to prevent theft through unauthorized take-out of commodities, and after sales of the commodity in question, the interposing member 42 is simply removed from the object B of which theft shall be prevented and left in the store for reuse.

[0119] It should be noted that the locking device C is not limited to the above arrangement, and locking and unlocking of the lock may also be affected by, for instance, inserting and operating a key provided at the store.

[0120] Since the guide means 11, through holes 7, key member 8, engaging means 31, releasing tool 32 and the tag 24 are similar to those of the first, second and fourth embodiments, detailed explanations will here be omitted.

[0121] The commodity antitheft implement according to the sixth embodiment of the present invention is arranged, as illustrated in FIGS. 22 to 25, in that a fitting member 61 for blocking forced opening of the case A is provided at a distal end of the key member 8 of the first to fourth embodiments to be outwardly fitted to a side of the case A upon completion of insertion of the key member 8.

[0122] The fitting member 61 is formed in a shape of a lever having a groove-like section that covers the peripheral walls 6 or both main walls 5, which comprise the side edge of the case A, from outside. Though the same member is formed in a linear shape fitting the entire length of a single side edge in the illustrated example, it is also possible to employ arrangements in which the fitting member 61 is formed to assume a shape of the letter L with two sides pinching the corner of side edges at which the through holes 7 are formed, or the letter U with three sides pinching the corner, and further to employ two fitting members 61 projecting from the key member 8 in mutually opposite directions.

[0123] The crucial point is that opening shall be blocked through the fitting member 61, even if forcible force is applied in a direction for opening the box body 2 or the cover body 4, by fitting the fitting member 61 from outside of the side edge(s) of the case A upon completion of insertion of the key member 8.

[0124] It is further possible to prevent damages of the fitting portion into which the key member 8 is pierced.

[0125] It should be noted that since arrangements and actions of the engaging member 31 of the inserted key member 8, the release of engaged relationship of the engaging means 31 through the releasing tool 32, uniform drawing of the releasing tool 32 and the key member 8, and those of the tag 24 or the guide means 11 are similar to those of the first, third and fourth embodiments, detailed explanations will be omitted.

[0126] In the drawing, 62 denotes an aperture for inserting the releasing tool 32 provided at the fitting member 61.

[0127] The commodity antitheft implement according to the seventh embodiment is arranged, as illustrated in FIGS. 26 to 31, in that the case A is comprised of a box body 2 having an opening portion 1 for taking a commodity a in and out, and a cover body 4 provided at the box body 2 through suitable hinges 3 and arranged to open and close the opening portion 1, wherein engaging walls 71, 71 are provided to be parallel with respect to the side edges of the box body 2 and the cover body 4 of the case A, and a slider 72 is provided to be freely inserted and drawn out to and from the engaging walls 71, 71 to assume an engaged condition for maintaining the closed condition of the case A.

[0128] The engaging walls 71 are formed in a hook-like shape to be continuing from the main walls 5 comprising the box body 2 and the cover body 4 as illustrated in FIG. 31, wherein upper edges of both side walls of the slider having a vertical section of the letter H are fitted and engaged at the engaging walls 71, 71, and opening of the box body 2 and the cover body 4 is blocked through the slider 72.

[0129] It should be noted that the shapes of the engaging walls 71 and the slider 72 are not limited to the illustrated ones, and any shape may be employed unless opening of the case A may be blocked through the engagement of the slider 72 and the engaging walls 71 as an action of the inserted slider 72.

[0130] The case A being similar to that of the first embodiment, detailed explanations will be omitted.

[0131] The slider 72 and the case A or the engaging walls 71 are provided with an engaging means 31 that is pushed back upon insertion of the slider 72 and that blocks the slider 72 from being drawn out by automatically assuming an engaged relationship upon completion of insertion of the slider 72.

[0132] The engaging means 31 being comprised of engaging claws 33 and engaging holes or engaging apertures 34 and thus similar to those of the fourth embodiment, explanations of arrangements and actions thereof will be omitted.

[0133] For releasing the engaged condition of the engaging means 31, a releasing tool 32 that is inserted towards the engaging claws 33 as illustrated in FIGS. 29 and 30 is employed.

[0134] The releasing tool 32 may either be of a style similar to that of the third embodiment or arranged, as illustrated in FIGS. 29 and 30, in that two engaging claws 33 are disposed in the front and rear with respect to the inserting direction of the slider 72, wherein the engaged condition is released by pushing the engaging claw 33 located remoter from the front by means of a bifurcated longer piece 73 and the engaging claw 33 in the front by means of a shorter piece 74.

[0135] Insertion of the releasing tool 32 is affected from an aperture of the engaging wall 71 for inserting the slider 72 and is inserted into a clearance formed between the slider 72 and peripheral walls 6 of the case A, that is, between the engaging claws 33 and the engaging holes 34.

[0136] In view of uniform drawing of the releasing tool 32 and the slider 72, it is preferable to provide, in addition to using frictional force of overlapping surfaces, a latch portion 21 which is a combination of protrusion 22 and hole 23, similar to that of the second embodiment.

[0137] Latching means 75 for blocking opening of the case A through forcible force applied on the box body 2 and the cover body 4 in mutually opposite directions are formed on the case A and the slider 72 or the engaging walls 71 and the slider 72, the means assuming a latched condition upon completion of insertion of the slider 72.

[0138] The illustrated latching means 75 is comprised of a projecting shaft 76 formed at a leading end in an inserting direction of the slider 72, a through hole 78 on one side and a through hole 79 on another side formed on overlapping walls 77 that are formed to continue from the main walls 5 of the box body 2 and the cover body 4 to overlap inwardly and outwardly. It is alternatively possible to employ a method in which the projecting shaft 76 is fitted through the through hole 78 into the hole 79 upon completion of insertion of the slider 72, or a method in which planar L-shaped carrying pieces 80 are formed on both sides of the distal end of the slider 72 with the carrying pieces 80 outwardly contacting both engaging walls 71, and it is further possible to achieve the same effects through a fitting means 75 provided on at least one end of the slider 72.

[0139] It is preferable that the tag 24 be attached to the slider 72.

[0140] In the commodity antitheft implement according to the eighth embodiment of the present invention, case A₁ is comprised, as illustrated in FIGS. 32 to 36, a box body 102 including an opening portion 101 for taking a commodity a in and out, and a cover body 104 provided at the box body 102 through hinges 103 and arranged to open and close the opening portion 101, wherein inwardly and outwardly overlapping peripheral walls 106, 106 are provided at peripheral edges of respective main walls 105 of the box body 102 and the cover body 104.

[0141] In case of the illustrated hinges 103, the main wall 105 of the cover body 104 is provided at a peripheral wall 106 on a lower side of the box body 102 through the half-cut finished hinges 103.

[0142] Through holes 107, 107 that coincide with each other are formed at specified positions of both peripheral walls 106, 106 of the box body 102 and the cover body 104, and a key member 108 is inserted into these coincident through holes 107, 107 to be freely inserted and drawn out, wherein opening of the cover body 104 with respect to the box body 102 is blocked by the inserted key member 108.

[0143] In the illustrated case, the coincident through holes 107, 107 of both peripheral walls 106, 106 are formed as an elongated hole formed on the inner peripheral wall 106 while a notch is formed on the outer peripheral wall 106 to extend from an open end of the cover body 104 towards the main wall 105, and a L-shaped latching piece 127 is provided on an inner surface of the main wall 105 of the cover body 104 side to serve as an inserting guide for the key member 108 at the time of insertion and to carry both side edges of the key member 108.

[0144] It should be noted that smooth insertion and drawing of the key member 108 might be performed in case of providing a guide means 109 for the key member 108 to be inserted on an inner surface of the main walls 105 of the box body 102 and the cover body 104 as illustrated in FIGS. 32 and 34.

[0145] Continuous concave and convex portions 110 are formed to fit in a mutually meshing manner within specified regions at which a peripheral edge at a distal end opposite to the inserting direction of the key member 108 and open edges of the through holes 107 oppose.

[0146] As illustrated in FIG. 36, even if one should try to forcibly press a head of a tool K such as a minus driver into a fitting portion between the through holes 107 and the key member 108, the head of the took K will get snagged at the concave and convex edges of the concave and convex portion 110 to thereby block the pressing, and it is accordingly possible to eliminate forcible opening through prying of the peripheral walls 6 by pressing the tool K therein or to eliminate damages of the fitting portion.

[0147] In case lengths of projections, depths of concave portions and widths of the concaves and convexes of the concave and convex portions 110 are set to be smaller than a length of a pointed edge with a flat tip of the tool K, picking operations of the tool K may be more effectively performed.

[0148] The shape of the concave and convex portions 110 is not limited to that of FIG. 36 but may be formed to assume a shape of saw teeth as illustrated in FIG. 44 or waveform as illustrated in FIG. 45.

[0149] While the range for the concave and convex portions 110 formed on the opposing surfaces extends as far as the entire periphery of the fitting portion in the illustrated case, it is also possible to form these at longer side edges that are parallel to each other except for both ends of the fitting portion.

[0150] The opposing surfaces on which the concave and convex portions 110 are to be formed may be the plate surface of the key member 108 and the edges of the through holes 107, the key member 108 and the main wall 105 of the case A₁, for example, as shown in FIG. 46, an upper surface of a stepped portion 161 that is indent from below the through hole 107 formed on the inner surface of the main wall 105 and a lower surface that overlaps therewith when fitted into a distal end stepped portion 161 of the key member 108.

[0151] The key member 108 shall further be provided with an antitheft tag 111 by means of, for instance, an adhering means such as adhesive or an embedding means formed at the time of molding.

[0152] Since the tag 111 includes a peculiar ID code in a manner known per se, when one tries to make the case A₁ with the key member 108 being inserted therein that is attached with the tag 111 pass through a gateway of a store, passing of the case A₁ may be detected upon resonance of a resonance circuit of the ID code provided at the gateway to generate a peculiar ID code and detection thereof upon demodulation through the high frequency electromagnetic field to consequently prevent theft.

[0153] Collection of the key member 108 in the store and a means for engaging the inserted key member 108 with the case A₁ will now be explained.

[0154] As illustrated in FIG. 33, a flange 112 that fits into through holes 107 upon completion of insertion of the key member 108 is provided at a distal end of the key member 108, and the above-described concave and convex portions 110 are provided on both, the flange 112 and the through holes 102.

[0155] While the flange 112 is made to project from both plate surfaces and side edges of the plate surfaces of the key member 108 in the illustrated case, it is also possible to make the flange 112 project from only one of the plate surfaces of the key member 108.

[0156] In this case, concave and convex portions 110 shall be provided on a plate surface of the key member 108 other than that on which the flange 112 is formed.

[0157] Since the width of the flange 112 is large, the width of a clearance formed between the main wall 105 of the through hole 107 formed on the outer peripheral wall 106 and the opening of the cover body 104 is defined to be a width into which the flange 112 is fitted in case the through hole 107 is formed as an elongated hole, and in case the through hole 107 is formed as a notch as in the above-described case, the flange 112 shall be inserted into the notch.

[0158] An engaging means B₁ is formed on a surface at which the case A₁ and the key member 108 oppose, wherein the means is pushed back accompanying insertion of the key member 108 and automatically assumes an engaged condition upon completion of insertion.

[0159] The engaging means B₁ is arranged, as illustrated in FIGS. 33, 34 and 37, in that slits 121, which are substantially formed in the shape of the letter U with both ends facing downward, are cut into the key member 108, and inner sides of the slits 121 are made to project towards the main wall 105 of the cover body 104 to comprise engaging claws 122 provided to exhibit resilience utilizing characteristics of synthetic resin of which the key member 108 is made. An inner surface of the inner peripheral wall 106 is made to function as engaging portions 123 that start pushing the engaging claws 122 back through the edges of the through holes 107 immediately after insertion of the key member 108 has been completed, wherein the ends of the engaging claws 122 in the projecting direction thereof, which have been released from pushing force upon completion of insertion of the key member 108, engage with the engaging portions 123. It is alternatively possible to employ arrangements for the engaging means B₁ in which separately arranged engaging claws are attached to the key member 108 through adhesive or the like, or in which the engaging portions 123 are provided as a projecting portion formed at the main wall 105 of the box body 102.

[0160] The number of engaging claws 122 is not limited to two formed on the right and left as in the illustrated case but may be freely determined, and the engaging portions 123 may as well be formed on the cover body 104.

[0161] In using the above case A₁, the opening portion 101 of the box body 102 is first closed by the cover body 104 whereupon the key member 108 is inserted into the coincident through holes 107, 107.

[0162] The engaging claws 122 are pushed back by the edges of the through holes 107, 107 accompanying the insertion, and upon completion of insertion at which the through holes 107 of the outer peripheral wall 106 are fitted, the engaging claws 122 that are released from contact with the edges of the through holes 107 will restore upon release of force pushing these back to hook at the engaging portions 123 such that the engaging portions 123 and the engaging claws 122 are in engaged conditions as illustrated in FIG. 34.

[0163] Drawing out of the key member 108 by anyone other than the salesperson may be blocked through this engaged condition and theft of commodity a within the case A₁ may thus be prevented.

[0164] Actions for drawing the key member 108 out by using releasing tool C₁ at the store will now be explained.

[0165] As illustrated in FIGS. 37, 38 and 39, the releasing tool C₁ is located just above the engaging claws 122 of the flange 112, and by providing elongated holes 131 that coincide with the through holes 107, jutting pieces 134 that project from a plate 133 with a grip 132 are pierced into these elongated holes 131.

[0166] When passing from central portions of ends in the projecting directions of the engaging claws 132, the pierced jutting pieces 134 function to push the engaging claws 122 back upon contact between bottom edges of the notches 135 and tapered surface portions 136 provided on one side edge of the ends of the projecting pieces 134 in a projecting direction thereof.

[0167] In this manner, the engaged condition between the engaging claws 122 and the engaging portions 123 as illustrated in FIG. 34 will be released when the engaging portions 123 come off the engaging claws 122 as illustrated in FIG. 38, the key member 108 may be drawn out when pulling the releasing tool C₁ in a direction as indicated by the arrow in FIG. 39.

[0168] It should be noted that upon release of the engaged condition of the engaging claws 122, resilience acting on the engaging claws 122 that have been pushed back will function to press the engaging claws 122 against the jutting pieces 134 so that the key member 108 may be drawn out together with the releasing tool C₁ through frictional force caused through pressing.

[0169] In order to ensure drawing actions, as shown in FIG. 39, a through window 137 that coincides with the through holes 107 shall be formed next to the elongated holes 131 of the flange 112 such that a projecting piece 138 projecting from the plate 133 will pierce through the through window 137 and the through holes 107.

[0170] The projecting piece 138 is formed with a slit 139 that is substantially formed in the shape of the letter U with both ends facing downward, and an inner side of the slit 139 is made to project towards the key member 108 to comprise a latching claw 140 that functions similar to the engaging claws 122.

[0171] The key member 108 is then formed with a latch portion 141 formed as a concave or through hole into which a tip of the latching piece 140 in the projecting direction thereof fits for latching upon completion of piercing of the projecting piece 138.

[0172] It is of course possible to form the latching piece 140 at the key member 108 while the latch portion 141 is formed on the projecting piece 138.

[0173] In such a case, the latching piece 140 abutting against the key member 108 in the course of piercing the projecting piece 138 will be pushed back, and since the latching piece 140 and the latch portion 141 coincide when the engaged condition of the engaging claws 122 and the engaging portions 123 is released, the latching piece 140, which has been released from force pushing the same back, will fit into latch portion 141 to assume a latched condition as illustrated in FIG. 39.

[0174] It is therefore possible to reliably draw the key member 108 out when pulling the releasing tool C₁ out.

[0175] The drawn out key member 108 is left in the store for reuse, and the case A₁ which key member 108 has been collected is used as a case for sales or rent.

[0176] Since no key member 108 with the tag 111 is present within the case A₁, it will be possible to omit any shields for the A₁.

[0177] It is also possible to exhibit the same effects as those explained above with reference to tool K by fitting pieces 142 projecting from the peripheral wall 106 into inward end edges of the elongated holes 131 or through window 137 and by providing the above-described concave and convex portions 110 on surfaces at which these pieces 142 and open edges of the elongated holes 131 or through window 137 oppose to make these concave and convex portions 110 mesh with each other as illustrated in FIGS. 32, 33 and 36.

[0178] While both, the projecting pieces 134 for releasing the engaged condition and projecting pieces 138 formed with latching pieces 140 for drawing the key member 108 out are provided on the releasing tool C₁, it is also possible to draw the key member 108 out by means of a exclusively designed drawing tool comprising projecting pieces with latching pieces in case no engaging means B₁ are provided for the case A₁ and the key member 108.

[0179] In case the pieces 142 are fit into the through holes 131 or the through window 137, clearances allowing passing of jutting pieces 134 or projecting pieces 138 shall be provided.

[0180] In the commodity antitheft implement according to the ninth embodiment of the present invention, the case A₁ is comprised of the box body 102 as illustrated in FIGS. 40 to 42 or as illustrated in FIGS. 32 and 33 in relation to the eighth embodiment, and a cover body 104 provided at the box body 102 through hinges 103 for opening and closing opening portion 101 of the box body 102, wherein continuous concave and convex portions 110 that fit with each other in a meshing condition are formed at specified regions on opposing surfaces of peripheral walls 106 of the case A₁ that inwardly and outwardly overlap with each other in an opening and abutting manner or on opposing surfaces of either one of the opening portion 101 of the outer peripheral wall 106 and the box body 102 or the cover body 104.

[0181] While the region for providing the concave and convex portions 110 is defined to be other than the peripheral walls 106 at which the hinges 103 are formed in the eighth and ninth embodiments, they may be provided at arbitrary locations of the peripheral wall 6 upon suitable selection.

[0182] In the ninth embodiment, the concave and convex portions 110 are formed as stepped portions overlapping inwardly and outwardly at the opening portion of both peripheral walls 106, 106 as illustrated in FIGS. 42 and 43 since surfaces of both peripheral walls 106, 106 of the box body 102 and the cover body 104 are formed on the same plane, and such stepped portion may be formed on opposing surfaces of the fitting and abutting portion.

[0183] It should be noted that the concave and convex portions 110 are formed on an opening edge surface of the outer peripheral wall 106 and on a rear surface of a side of the main wall 105 in the eighth embodiment.

[0184] The above concave and concave portions 110 may also be formed in a shape of saw teeth or waveform as explained with reference to the eighth embodiment.

[0185] Similar to the eighth embodiment, the concave and convex portions 110 that are in mesh with each other will block opening of the case A₁ through prying by piercing a tool.

[0186] In the drawing, 151 denotes a latching means of elastic piece style and is a combination of a concave portion and a projecting portion.

[0187] The above arrangements of the commodity antitheft implement according to the present invention enables it to prevent pilferage of commodities within the case or taking cases accumulating therein commodities or objects of which theft shall be prevented out of the store without permission with the effect of eliminating theft.

[0188] Since key members with tags are left in the store upon sales or rent, it is of advantage that troublesome shielding may be omitted and the key members may also be reused in the store.

[0189] It is further possible to ensure accurate insertion along a specified line through the guide means, and to prevent contact between accumulated articles within the case and the key members so that it is possible to eliminate breakage or damages of the accumulated articles.

[0190] Opening of the case through application of forcible force in an opening direction thereof will be prevented through fitting members uniformly formed with the key members or latching means of sliders, and damages of piercing portions of the key members or members thereof to engage with the sliders may be prevented. 

What is claimed is:
 1. A commodity antitheft implement provided for a case comprised of a box body having an opening portion for taking a commodity in and out, and a cover body provided at the box body through hinges to open and close the opening portion, wherein through holes that coincide with each other in a closed condition of the case are formed at specified positions of overlapping or opposing peripheral walls of the box body and the cover body, and wherein a key member is inserted through the coincident through holes to be freely inserted and drawn out.
 2. The commodity antitheft implement according to claim 1 , wherein a guide means for the key member that is inserted into the through holes is provided within the case.
 3. The commodity antitheft implement according to claim 1 , wherein the case and the key member to be inserted are provided with engaging means that are pushed back upon insertion of the key member and that assume engaged conditions upon completion of insertion.
 4. The commodity antitheft implement according to claim 1 , wherein the case and the key member to be inserted are provided with engaging means that are pushed back upon insertion of the key member and that assume engaged conditions upon completion of insertion, and wherein inserting apertures for inserting a releasing tool for releasing the engaged condition of the engaging means are formed at peripheral walls of the case.
 5. The commodity antitheft implement according to claim 1 , wherein the case and the key member to be inserted are provided with engaging means that are pushed back upon insertion of the key member and that assume engaged conditions upon completion of insertion, wherein a releasing tool for releasing the engaged condition of the engaging means upon insertion thereof into the through holes of the case for inserting the key members is provided, and wherein the releasing tool and the key member are provided with latch portions for fitting and latching upon release of the engaged condition by the releasing tool.
 6. The commodity antitheft implement according to claim 1 , wherein the case and the key member to be inserted are provided with engaging means that are pushed back upon insertion of the key member and that assume engaged conditions upon completion of insertion, wherein inserting apertures for inserting a drawing tool for the key member are formed at specified locations of the through holes for inserting the key member, and wherein latch portions for fitting and latching are provided at a position at which the inserted drawing tool and the key member oppose.
 7. The commodity antitheft implement according to claim 1 , wherein the key member is provided with an antitheft tag.
 8. An antitheft case which is a case comprised of a box body having an opening portion for taking a commodity in and out and a cover body provided at the box body through hinges to open and close the opening portion, wherein through holes that coincide with each other in a closed condition of the case are formed at specified positions of overlapping or opposing peripheral walls of the box body and the cover body.
 9. An antitheft key member which is a key member that is inserted into through holes of the antitheft case according to claim 8 in a freely inserting and drawing manner, wherein the key member is provided with an antitheft tag.
 10. An antitheft key member which is a key member that is inserted into through holes of the antitheft case according to claim 8 in a freely inserting and drawing manner, wherein the key member is provided with an engaging means that is pushed back upon insertion of the key member and that assumes engaged condition with an engaging means of the case upon completion of insertion.
 11. An engagement releasing tool that is inserted towards the key member according to claim 10 that is inserted into the case, wherein a pointing out portion for releasing engaged conditions for pushing the engaging means back is provided at a leading end of insertion thereof.
 12. A commodity antitheft implement comprised of a piercing member that is inserted into a latch portion such as hole or piercing portion of an object of which theft shall be prevented, a locking device provided to enable assembled maintenance of both end portions of the piercing member and release of the assembled maintenance, and an antitheft tag provided at the piercing member or the locking device.
 13. The commodity antitheft implement according to claim 1 , wherein an engaging member for preventing forcible opening of the case by fitting outwardly of the case upon completion of insertion of the key member is provided.
 14. A commodity antitheft implement comprising a case comprised of a box body having an opening portion for taking a commodity in and out and a cover body provided at the box body through suitable hinges to open and close the opening portion, parallel engaging grooves (sic.) provided at side edges of the box body and the cover body of the case, a slider provided to be freely inserted and drawn out to and from the engaging grooves (sic.) to assume an engaged condition for maintaining the closed condition of the case, and an engaging means provided at the slider and the case or the engaging grooves that is pushed back upon insertion of the slider and that assumes an engaged condition upon completion of insertion, wherein the slider or the slider and the case are provided with latching means for blocking forcible opening of the case by assuming a latched relationship upon completion of insertion of the slider.
 15. A commodity antitheft implement provided for a case comprised of a box body having an opening portion for taking a commodity in and out and a cover body provided at the box body through hinges to open and close the opening portion with through holes that coincide with each other in a closed condition of the case being formed at specified positions of overlapping or opposing peripheral walls of the box body and the cover body, wherein continuous concave and convex portions that fit in a meshing manner with each other are provided at specified regions of a surface at which a peripheral edge at a distal end of the key member opposite to the inserting direction thereof and open edges of the through holes oppose.
 16. An antitheft case which is a case comprised of a box body having an opening portion for taking a commodity in and out and a cover body provided at the box body through hinges to open and close the opening portion, wherein continuous concave and convex portions that fit in a meshing manner with each other are provided at specified regions of either a surface at which mutually overlapping peripheral walls abut and oppose or a surface at which the open surface of the outer peripheral wall and the surface of either the box body or the cover body oppose. 